debian/preinst

   1 #!/bin/sh
   2 # preinst script for blosxom
   3 # copyright 2007-2008 by Rhonda D'Vine <rhonda@debian.org>
   4 # Licenced in the same way as blosxom itself
   5
   6 set -e
   7
   8 rm_conffile() {
   9         PKGNAME="$1"
  10         CONFFILE="$2"
  11         if [ -e "$CONFFILE" ]; then
  12                 md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
  13                 old_md5sum="`dpkg-query -W -f='${Conffiles}' $PKGNAME | sed -n -e \"\\\\' $CONFFILE '{s/ obsolete$//;s/.* //p}\"`"
  14                 if [ "$md5sum" != "$old_md5sum" ]; then
  15                         echo "Obsolete conffile $CONFFILE has been modified by you."
  16                         echo "Saving as $CONFFILE.dpkg-bak ..."
  17                         mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
  18                 else
  19                         echo "Removing obsolete conffile $CONFFILE ..."
  20                         rm -f "$CONFFILE"
  21                 fi
  22         fi
  23 }
  24
  25
  26 # cleanup for old flavors that got installed by packages prior to 2.1.0
  27 case "$1" in
  28 install|upgrade)
  29         if dpkg --compare-versions "$2" le-nl "2.1.0-1"; then
  30                 for i in content_type.1993 content_type.html content_type.index \
  31                         date.1993  date.html  date.index \
  32                         foot.1993  foot.html  foot.index \
  33                         head.1993  head.html  head.index \
  34                         story.1993 story.html story.index ; do
  35                         rm_conffile blosxom "/etc/blosxom/flavours/$i"
  36                 done
  37                 rm_conffile blosxom "/etc/blosxom/plugins/timezone"
  38         fi
  39         if [ -d /var/lib/blosxom/data/flavours ] ; then
  40                 cd /var/lib/blosxom/data/flavours
  41                 for i in content_type.1993 content_type.html content_type.index \
  42                         date.1993  date.html  date.index \
  43                         foot.1993  foot.html  foot.index \
  44                         head.1993  head.html  head.index \
  45                         story.1993 story.html story.index ; do
  46                         test ! -L $i || test -f $i || rm $i
  47                 done
  48         fi
  49 esac
  50
  51 exit 0